There is provided an information processing apparatus which includes a subtitle processing unit for extracting a subtitle feature quantity representing a feature of a content from subtitle information included in the content, a subtitle feature quantity accumulation unit for associating and storing identification information capable of identifying the content and the subtitle feature quantity extracted from the content by the subtitle processing unit, a subtitle feature quantity collation unit for collating the subtitle feature quantity stored in the subtitle feature quantity accumulation unit and a subtitle feature quantity to be determined, thereby determining sameness between the content corresponding to the subtitle feature quantity stored in the subtitle feature quantity accumulation unit and a content corresponding to the subtitle feature quantity to be determined, and a collation result output unit for outputting a collation result of the subtitle feature quantity collation unit.